Coil



FIG. 1 is a perspective view the coil.

FIG. 2 is a left side view of the coil of FIG. 1.

FIG. 3 is a right side view of the coil of FIG. 1,

FIG. 4 is a front view of the coil of FIG. 1.

FIG. 5 is a rear view of the coil of FIG. 1.

FIG. 6 is a top view of the coil of FIG. 1; and,

FIG. 7 is a bottom view of the coil of FIG. 1. 

The ornamental designs for a coil, as shown and described. 